Sobre la doctrina «unwilling or unable state» (¿podría el fin justificar los medios?)

Abstract

This article addresses the doctrine that defends the possibility that the States use the force within the territory of another which is unwilling or unable to face terrorist groups using that territory to attack others. In particular, it reflects on this doctrine’s contents, legal basis and its application to the fight against ISIS in Syria. It also evaluates the existence of a growing tendency to accept it and defends alternatives which could help to face the terrorist threat.